package com.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;

@Aspect
public class AnnoAdvice {
    //切点
    @Pointcut("execution(* com.aop.AnnoAdvice (..) )")
    public void pointCut() {
    }

    //前置通知
    @Before("pointCut()")
    public void before(JoinPoint joinPoint) {
        System.out.println("这是前置通知!");
        System.out.println("目标类是 " + joinPoint.getTarget());
        System.out.println("被织入增强处理的目标方法为: " + joinPoint.getSignature().getName());
    }

    //返回通知
    @AfterReturning("pointCut()")
    public void afterReturning(JoinPoint joinPoint) {
        System.out.println("这是返回通知!");
        System.out.println("被织入增强处理的目标方法为: " + joinPoint.getSignature().getName());
    }

    //环绕通知
    @Around("pointCut()")
    public Object around(ProceedingJoinPoint point) throws Throwable {
        System.out.println("这是环绕通知之前的部分!");
        //调用目标方法
        Object object = point.proceed();
        System.out.println("这是环绕通知之后的部分!");
        return object;
    }

    //异常通知
    @AfterThrowing("pointCut()")
    public void afterException() {
        System.out.println("异常通知!");
    }

    //后置通知
    @After("pointCut()")
    public void after() {
        System.out.println("这是后置通知!");
    }
}



